Malicious PDF — malware analysis report

Static analysis result for SHA-256 eca5982df64a0946…

MALICIOUS

PDF

71.2 KB Created: 2021-02-13 12:05:02 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-10
MD5: 2c5c5ca46958b1102fb9e786dfc456b8 SHA-1: 5f4c336ebb84550386678adeaea074327ac60fe1 SHA-256: eca5982df64a0946aab07a6f5cfae4ad74a6488ef909129f5e6b3806bcd4640c
126 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9996

Heuristics 5

  • ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
  • Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARM
    Small PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
  • External URI info PDF_URI
    PDF contains an external URL action
  • Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTAL
    The same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
  • Embedded URL info EMBEDDED_URL
    One or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.
    URL https://jacksth.ru/wix?keyword=ikea+trysil+bed+manual PDF link annotation
    • http://dipurenirexo.22web.org/goodbye_air_supply_piano_sheet.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4405195/normal_5fde8fdb0b667.pdfIn PDF document text
    • http://lujuvudav.22web.org/zisunutosuzanodopaso.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4485152/normal_6010ca3126112.pdfIn PDF document text
    • https://lugijuvumefabi.weebly.com/uploads/1/3/4/7/134761930/5abe65eb6d8.pdfIn PDF document text
    • http://witexodegimo.iblogger.org/childish_gambino_video.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4420910/normal_6024909b63708.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4376610/normal_5fcb0ee67c8b3.pdfIn PDF document text
    • https://nedetuvozuwe.weebly.com/uploads/1/3/4/6/134699612/5037112.pdfIn PDF document text
    • https://zewemoledomuro.weebly.com/uploads/1/3/4/7/134746436/zikenadagireke.pdfIn PDF document text
    • http://zipufofofize.22web.org/pejexanivaguzukipitad.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4464850/normal_5fdd356b2a0a4.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://s3.amazonaws.com/zijivevip/play_store_app_free_for_pc.pdfIn PDF document text
    • http://wufuxoponuwuros.epizy.com/guide_autoformation_windev_23.pdfIn PDF document text
    • https://s3.amazonaws.com/fifuto/kiregasumobif.pdfIn PDF document text
    • http://fofovukejubewa.epizy.com/north_america_blank_map_with_answers.pdfIn PDF document text
    • http://fejoguxufipen.epizy.com/business_card_design_free.pdfIn PDF document text
    • https://s3.amazonaws.com/sepawi/36285372291.pdfIn PDF document text
    • http://fakadigat.epizy.com/airport_extreme_model_a1034_manual.pdfIn PDF document text
    • http://rikilusidarule.rf.gd/hansville_weather_report.pdfIn PDF document text
    • https://s3.amazonaws.com/wobuzisibal/didriksson_regnstll_barn_storleksguide.pdfIn PDF document text
    • http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
    • http://purl.org/dc/elements/1.1/In PDF document text
    • http://ns.adobe.com/pdf/1.3/In PDF document text
    • http://ns.adobe.com/xap/1.0/In PDF document text
    • http://ns.adobe.com/xap/1.0/mm/In PDF document text
    • http://ns.adobe.com/xap/1.0/rights/In PDF document text
    • http://scripts.sil.org/OFLIn PDF document text

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000d955.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD955 5212 bytes
SHA-256: e0a0315b829dd5515cd62f765543544594eb79188c4b888b9c52c6ee085b0743
font_01_sfnt_off0000eb00.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xEB00 10880 bytes
SHA-256: f4932c85553fe934900fc33e02fe6ee17b5838e54fe068b6fe096f702d58b542

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